Home / 177,431.68-244,854-109,421.44

Finding the Fourth Proportional to 177,431.68, 244,854 and 109,421.44

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Solution

The fourth proportional to 177,431.68, 244,854 and 109,421.44 is: 151,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,431.68 : 244,854 = 109,421.44 : x
  2. Step 2: Convert to fraction form
    177,431.68/244,854 = 109,421.44/x
  3. Step 3: Cross multiply
    177,431.68x = 244,854 × 109,421.44
  4. Step 4: Simplify right side
    177,431.68x = 26,792,277,269.76
  5. Step 5: Solve for x
    x = 26,792,277,269.76/177,431.68
  6. Step 6: Final answer
    x = 151,000.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.